There are number of treatments for various stages of this disease (oral devices, breathing machines, surgery among other treatments). Treatments may vary based on the individual's disease state. First step is to make an accurate diagnosis and consult with a sleep specialist to discuss all treatment options.
The personal exemption for Tax Year 2016 begins to phase out with adjusted gross incomes of $259,400 for single taxpayers ($311,300 for married couples filing jointly). It phases out completely at $381,900 for single taxpayers ($433,800 for married couples filing jointly).
Taxable income is the amount of income subject to taxation. If you make $50,000 and have $10,000 of deductions for charity, interest on your mortgage, etc., then your taxable income is $40,000. Income tax is the amount of tax you pay, based on tax rates and your taxable income.